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Table 4 Percentiles of the SCQOLS-10 QoL total score, final model

From: Reference values for the short forms of the Singapore Caregiver Quality of Life Scale

Predictor

10th percentile

25th percentile

50th percentile

75th percentile

90th percentile

Coef

95% CI

Coef

95% CI

Coef

95% CI

Coef

95% CI

Coef

95% CI

Education level

 Secondary/above

0

 

0

 

0

 

0

 

0

 

 Primary/below

−2.1

(−11.7, 7.6)

−5.8

(−11.1, −0.5)

−6.6*

(−10.9, −2.3)

−5.9*

(−8.8, −3.1)

−5.4

−12.0, 1.2)

Caregiver role

8.5*

(4.9, 12.2)

6.3*

(3.8, 8.7)

3.3*

(1.4, 5.2)

2.6*

(0.9, 4.3)

1.5

(−0.4, 3.3)

Performance status

−5.3*

(−7.5, −3.1)

−4.6*

(−6.0, −3.1)

−3.8*

(−5.1, −2.6)

−1.9*

(−2.8, −1.0)

−1.7*

(−2.8, −0.6)

Intercept

48.7*

(40.6, 56.9)

63.9*

(59.3, 68.5)

77.1*

(73.7, 80.5)

82.6*

(78.6, 86.5)

90.9*

(87.7, 94.1)

  1. *P-value <0.01
  2. Example: The 10th percentile of a caregiver with primary education who is the primary person (caregiver role = 1) giving care to a patient who has no symptoms (performance status = 0) is 48.7 + (−2.1) + (1 × 8.5) + (0 × [−5.3]) = 55.1